How to use 2 mixins in State in Flutter?

For anyone coming here using SingleTickerProviderStateMixin, simply remove the Single from the name.

class ListScreenState extends State<ListScreen> with AutomaticKeepAliveClientMixin, TickerProviderStateMixin {
  // TODO: implement wantKeepAlive
  @override
  bool get wantKeepAlive => null;

}